html {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    overflow-x: hidden;
    font-family: Arial, 'Hiragino Sans GB', 'WenQuanYi Micro Hei', '\5fae\8f6f\96c5\9ed1', 'SimSun', sans-serif;
    font-size: 14px;
    line-height: 1.7;
    min-width: 1200px;
    color: #555555;
    background: #fff;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
dd,
dl,
form {
    margin: 0;
}

hr {
    margin-top: 20px;
    margin-bottom: 20px;
    border: 0;
    border-top: 1px solid #eee;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: top;
    -ms-interpolation-mode: bicubic;
    border: 0;
}

ul {
    padding-left: 0;
    list-style-type: none;
}

i,
em {
    font-style: normal;
}

/* flex栅格 */
.flex-col {
    overflow: hidden;
    display: -ms-box;
    display: -ms-flexbox;
    display: flex;
    flex-direction: column;
    -ms-flex-direction: column;
}

.flex-row {
    overflow: hidden;
    display: -ms-box;
    display: -ms-flexbox;
    display: flex;
}

.flex-1 {
    -ms-flex: 1;
    flex: 1;
    min-width: 0;
}

.flex-2 {
    -ms-flex: 2;
    flex: 2;
    min-width: 0;
}

.flex-3 {
    -ms-flex: 3;
    flex: 3;
    min-width: 0;
}

.flex-4 {
    -ms-flex: 4;
    flex: 4;
    min-width: 0;
}

.align-stretch {
    -ms-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
}

.align-center {
    -ms-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.justify-center {
    -ms-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}